Graphical method Animation Play

Haber process for the synthesis of ammonia Animation Play

Half-equations Student activity Play

Half-equations in redox reactions Animation Play

Half-equations of redox reactions Animation Play

Heating and cooling curves. Melting and boiling points Student activity Play

Heating curve Animation Play

Hess's law Whiteboard exercise Play

Heterogeneous catalysis Student activity Play

Heterogeneous catalyst Animation Play

How do temperature changes affect an equilibrium? Animation Play

How do we multiply fractions and decimals? Animation Play

How do we multiply powers of 10? Animation Play

How do we scale a shape? Animation Play

How does it work? Animation Play

How far? Whiteboard exercise Play

How far? Student activity Play

How many are there? Student activity Play

How many different divisors does a natural number have? A more difficult problem Student activity Play

How many divisors? Animation Play

How many divisors? Whiteboard exercise Play

How many kilometres? Whiteboard exercise Play

How many were there? Student activity Play

How much do they weigh together? Student activity Play

How much do they weigh together? Whiteboard exercise Play